6
3-3. Foundation bolts
Foundation bolts, washers and nuts are the scope of supply for purchaser.
(1) Weld the washers on the chiller's frame.
(2) Tight up the nuts.
4. Piping
4-1. Piping
(1) Connect each pipe according to “Typical piping diagram” and “Rupture disk” in the contract
specifications.
(2) Make all necessary connections to the building water and steam systems. Ensure that all piping is
adequately supported and that no strain is placed on the Chiller nozzles and connecting flanges.
(3) Provide adequate temperature sensing and pressure sensing sockets or taps on all the supply and
return piping.
4-2. Flashing
It is necessary to flash in the pipe of all water system before running water through the chiller.
5. Field wiring
(1) For CE marking; Power supply connection shall follow the overvoltage category
Ⅲ
. And other
connections shall follow the overvoltage category
Ⅱ
. Connect each wire according to CE requiring.
(2) Refer to “Field electric wiring” and “Electric wiring diagram” in the contract specifications for wiring
connection.
(3) A properly qualified electrician should carry out the electrical wiring works.
6. External visual inspection
The followings shall be inspected.
(1) Insulation for the Chiller shall be properly performed.
a) Each valves, dampers, service valves and sight glass shall be operable.
b) Temperature sensors and pressure gauges shall be replaceable.
c) Ber- thermometers shall be able to insert into holders provided on water headers and solution
pipes.
d) Each water header cover shall be removable.
e) The following parts shall not be insulated.
*The motor portion of the refrigerant pump, *Rupture disk
Foundation and anchor bolt
Washer
2
5
3
4
26 Dia.
A
1 : Anchor bolt
2 : Nut
1
3 : Washer
4 : Base
A= 150mm - 250mm
5 : Weld
Material : Steel
Thickness : 12 mm
35
40
Foundation
30
45
80
